Home / 79,778.84-110,094.22-43,970.36

Finding the Fourth Proportional to 79,778.84, 110,094.22 and 43,970.36

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Solution

The fourth proportional to 79,778.84, 110,094.22 and 43,970.36 is: 60,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,778.84 : 110,094.22 = 43,970.36 : x
  2. Step 2: Convert to fraction form
    79,778.84/110,094.22 = 43,970.36/x
  3. Step 3: Cross multiply
    79,778.84x = 110,094.22 × 43,970.36
  4. Step 4: Simplify right side
    79,778.84x = 4,840,882,487.32
  5. Step 5: Solve for x
    x = 4,840,882,487.32/79,778.84
  6. Step 6: Final answer
    x = 60,678.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.